Patch details are explained in https://bugzilla.tianocore.org/show_bug.cgi?id=2397. We request this to be merged in edk2-stable202002. Vitaly Cheptsov (1): MdePkg: Use _MSC_VER to determine MSVC compiler MdePkg/Include/AArch64/ProcessorBind.h | 2 +- MdePkg/Include/Arm/ProcessorBind.h | 8 ++++---- MdePkg/Include/Base.h | 10 +++++----- MdePkg/Include/Ia32/ProcessorBind.h | 6 +++--- MdePkg/Include/X64/ProcessorBind.h | 6 +++--- 5 files changed, 16 insertions(+), 16 deletions(-) -- 2.21.1 (Apple Git-122.3)